Identification

Numero CAS

2809-21-4

Nom scientifique (FR)

Acide etidronique

Nom scientifique (EN)

(1-hydroxy-1-phosphonoethyl)phosphonic acid

Autres dénominations scientifiques (Autre langues)

(1-hydroxyethylidene)bisphosphonic acid ; 1-hydroxy ethylidene-1,1-diphosphonic acid ; 1-hydroxyethane-1,1-diyl)bis(phosphonic acid ; Etidronic Acid ; HEDP ; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-

Code EC

220-552-8

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C2H8O7P2 }\)

Code InChlKey

DBVJJBKOTRCVKF-UHFFFAOYSA-N

Code SMILES

O=P(O)(O)C(O)(P(=O)(O)O)C

Generalities

Poids moléculaire

206.03 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 690000 mg.L-1
valeur minimale à 20°C
UNEP p.47
Pression de vapeur 1.24e-09 Pa
valeur estimée à 25°C
UNEP p.47
Point de fusion 198.5 °C UNEP p.47
Constante de Henry 3.7e-13 Pa.m3.mol-1
calculée - TGD
UNEP p.47
Coefficient de partage octanol/eau (Log Kow) -3.52 -
mesuré
UNEP p.47
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Matrixes

Fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau matière en suspension 1661 L.kg-1
calculé à partir du Koc (TGD)
UNEP p.47
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Sediment fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau sédiment 830.5 L.kg-1
calculé à partir du Koc (TGD)
UNEP p.47
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Terrestrial environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage carbone organique/Eau (Koc) 16610 L.kg-1
mesuré
UNEP p.47
Coefficient de partage eau/sol 332.2 L.kg-1
calculé à partir du Koc (TGD)
UNEP p.47
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Persistence

Biodegradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Biodégradabilité non facilement biodégradable -
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Bioaccumulation

Aquatic organisms

Organismes aquatiques
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
Bioaccumulation BCF 2 -
Cyprinus carpio - poisson - corps entier - valeur maximale mesurée - 49 jours
UNEP p.47
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 7,2 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-2 60 min 79 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-3 60 min 480 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
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Hazards

Hazard values

Valeurs de danger
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
CL/CE50 3 mg.L-1 Algue UNEP p.47
CL/CE50 167 mg.L-1 Invertebré UNEP p.47
CL/CE50 >=180 mg.L-1 Poisson UNEP p.47
CL/CE50 81 mg.L-1 Invertebré UNEP p.47
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